BirdAnalyst
Species · Vermont · BBS 2025 Release · 1966–2024

White-throated Sparrow Population Trend in Vermont

All statesGeneralists

White-throated Sparrow in Vermont has collapsed: down 81% on the route-weighted index since 1968.

-81%Since 1968
26Routes In State
58Years

Notable White-throated Sparrow Trends in Vermont

long arc declinecomputed index

White-throated Sparrow has collapsed in Vermont: down 81% on the route-weighted index since 1968.

White-throated Sparrow Population Forecast in Vermont

If the recent trend holds, White-throated Sparrow in Vermont is projected to fall about 46% by 2029 — from 2.6 in 2024 to a central estimate of 1.4 (95% range 0.00–5.7). A 5-year backtest shows a typical error of ±30.1%, with 100% of held-out values landing inside the 95% band.

-46%Change by 2029
1.4Projected 2029 index
0.00–5.795% range
±30.1%Backtest error
19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20252.50.006.8
20262.30.006.5
20272.00.006.2
20281.70.005.9
20291.40.005.7

White-throated Sparrow Survey Routes in Vermont

Routes recording White-throated Sparrow in Vermont.
Newbury 21820232005
Waterville1419801967
East Haven1320241966
Newbury1020041986
Hardwick920241966
St Johnsbury720241970
Northfld Fls720211980
Stratton420241966
Middlesex420241968
North Pownal220091966
Landgrove220241966
East Calais220241966
Greensboro220241967
Stowe220241988
Marlboro120181966
S Reading120181966
Gaysville120211966
Post Mills120241966
Shaftsbury120021966
S Wallingfrd120181966
W Rutland120061966
Fletcher120241968
Hinesburg119941966
Colchester120161986
Grand Isle119951967

White-throated Sparrow Population Trend in Other States

connecticutmainemassachusettsmichiganminnesotanew-hampshirenew-jerseynew-yorknorth-dakotapennsylvaniawest-virginiawisconsin

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.